<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>新增长度单位</title>
  <style>
    *{
      background-color: black;
    }
    h1{
      font-size: 80px;
      text-align: center;
      color: white;
      text-shadow: 0px 0px 20px red;
      font-family: '翩翩体-简';
    }
  </style>
</head>
<body>
  <h1>红浪漫洗浴欢迎你</h1>
  
</body>
</html>